From c4feccceebb7bcc308403363182d9c50e88de562 Mon Sep 17 00:00:00 2001
From: ITHelpDec <34002836+ITHelpDec@users.noreply.github.com>
Date: Sun, 9 Jul 2023 21:31:26 +0100
Subject: [PATCH] remove second declaration of `<iostream>`

---
 listings/listing_9.2.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/listings/listing_9.2.cpp b/listings/listing_9.2.cpp
index bb32073..9f7e37a 100644
--- a/listings/listing_9.2.cpp
+++ b/listings/listing_9.2.cpp
@@ -3,7 +3,6 @@
 #include <memory>
 #include <functional>
 #include <iostream>
-#include <iostream>
 
 class function_wrapper
 {